The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant clover in Zone 2b should be determined by looking at the USDA zone info.

Planting Calendar for Clover

Frost tolerance for clover:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant clover a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant clover in Zone 2b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant clover and expect a good harvest is probably August. If you wait any later than that and your clover may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your clover indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Zone 2b. In the coldest months of winter you can expect an average low temperature of -45°F.

Since the USDA zone info for Zone 2b is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Zone 2b it frosts late in the year after May 15 so just be sure to be ready to cover your clover in the event of a late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	August 15
Lowest Expected Low	-45°F
Highest Expected Low	-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.